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Finding the Fourth Proportional to 109,344.60, 164,016.90 and 54,048.60

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Solution

The fourth proportional to 109,344.60, 164,016.90 and 54,048.60 is: 81,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,344.60 : 164,016.90 = 54,048.60 : x
  2. Step 2: Convert to fraction form
    109,344.60/164,016.90 = 54,048.60/x
  3. Step 3: Cross multiply
    109,344.60x = 164,016.90 × 54,048.60
  4. Step 4: Simplify right side
    109,344.60x = 8,864,883,821.34
  5. Step 5: Solve for x
    x = 8,864,883,821.34/109,344.60
  6. Step 6: Final answer
    x = 81,072.90

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